The 2010 House and Senate Forecast Models are based on a comprehensive analysis of Registered Voter (RV) and Likely Voter (LV) polls.

The LV Model predicts a 234-201 GOP House and a 50-48 Democratic Senate. Larry Sabato’s Crystal Ball predicts a 233-202 GOP House and a 49-49 Senate. Electoral-vote.com has a 51-48-1 Democratic Senate and a 217-200 GOP House with 18 ties. But the registered voter (RV) projections tell a different story.

The Democrats lead the weighted average of 18 Senate RV polls by 8.5%. They lead the corresponding LV sub-samples by 0.9%.

The RV projections indicate a 53-45 Democratic Senate.

The GOP leads the latest 30 House Generic LV polls by 6.8%. They lead the latest 19 RV polls by just 0.7%.